For each Level of Shadow Form:
Decreases after skill cast delay by 1%.

When equipped with Shadow Chaser Stone(Garment):
Increases damage of Triangle Shot by 15%.

When equipped with Shadow Chaser Stone II(Garment):
Increases damage of Fatal Menace by 15%.

[iRO Description]
For every level of Shadow Formation learned, reduces global cooldown by 1%.
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Set Bonus
Shadow Chaser Stone (Middle)
Shadow Chaser Stone (Garment)

Increases Triangle Shot damage by 15%.
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Set Bonus
Shadow Chaser Stone (Middle)
Shadow Chaser Stone II (Garment)

Increases Fatal Menace damage by 15%.